:root {
  --ink: #172326;
  --muted: #5f6f72;
  --paper: #fbf8f2;
  --surface: #ffffff;
  --line: #dbe4e2;
  --teal: #0d5961;
  --teal-dark: #113f45;
  --amber: #c9822c;
  --red: #b54f45;
  --blue: #315d8d;
  --shadow: 0 20px 60px rgba(17, 63, 69, 0.16);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo", system-ui, sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

img {
  display: block;
  max-width: 100%;
}
.planning-stamp {
  position: fixed;
  top: 50%;
  left: 50%;
  z-index: 9999;
  width: min(62vw, 520px);
  max-width: calc(100vw - 32px);
  transform: translate(-50%, -50%) rotate(-20deg);
  opacity: 0.9;
  filter: drop-shadow(0 10px 18px rgba(90, 20, 17, 0.18));
  pointer-events: none;
  user-select: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  min-height: 72px;
  padding: 14px clamp(18px, 4vw, 56px);
  background: rgba(251, 248, 242, 0.92);
  border-bottom: 1px solid rgba(219, 228, 226, 0.85);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  letter-spacing: 0;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  color: #fff;
  background: var(--teal);
  border-radius: 8px;
  font-weight: 900;
}

.nav {
  display: flex;
  align-items: center;
  gap: 22px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.nav a:hover,
.header-cta:hover {
  color: var(--teal);
}

.header-cta {
  padding: 10px 16px;
  color: #fff;
  background: var(--ink);
  border-radius: 8px;
  font-size: 14px;
  font-weight: 800;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 0.92fr) minmax(420px, 1.08fr);
  align-items: stretch;
  min-height: calc(100vh - 72px);
  padding: clamp(28px, 5vw, 72px) clamp(18px, 4vw, 56px) 32px;
  gap: clamp(28px, 5vw, 68px);
}

.hero-copy {
  align-self: center;
  max-width: 720px;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--amber);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 22px;
  font-size: clamp(42px, 6vw, 78px);
  line-height: 1.05;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 18px;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.22;
  letter-spacing: 0;
}

h3 {
  margin-bottom: 10px;
  font-size: 20px;
  line-height: 1.35;
  letter-spacing: 0;
}

.lead {
  max-width: 620px;
  margin-bottom: 30px;
  color: #415155;
  font-size: clamp(17px, 2vw, 21px);
}

.hero-actions,
.proof-row {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 18px;
  border: 1px solid var(--ink);
  border-radius: 8px;
  font-weight: 900;
  cursor: pointer;
}

.button.primary {
  color: #fff;
  background: var(--teal);
  border-color: var(--teal);
}

.button.primary:hover {
  background: var(--teal-dark);
}

.button.secondary {
  background: rgba(255, 255, 255, 0.7);
}

.button.secondary:hover {
  border-color: var(--teal);
  color: var(--teal);
}

.hero-media {
  align-self: center;
}

.hero-media img {
  width: 100%;
  aspect-ratio: 16 / 11;
  object-fit: cover;
  border-radius: 8px;
  box-shadow: var(--shadow);
}

.proof-row {
  margin: 34px 0 0;
}

.proof-row div {
  min-width: 160px;
  padding: 14px 16px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.proof-row dt {
  font-weight: 900;
}

.proof-row dd {
  margin: 2px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.section {
  padding: clamp(68px, 9vw, 120px) clamp(18px, 4vw, 56px);
}

.section > * {
  max-width: 1180px;
  margin-left: auto;
  margin-right: auto;
}

.section-head {
  max-width: 980px;
  margin-bottom: 38px;
}

.section-head.narrow {
  max-width: 800px;
}

.band {
  background: #eef3f0;
}

.problem-grid,
.pricing {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.problem-grid article,
.price-card {
  min-height: 210px;
  padding: 24px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.problem-grid p,
.price-card p,
.service-item p,
.split p,
.faq p {
  color: var(--muted);
}

.service-list {
  display: grid;
  gap: 14px;
}

.service-item {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 22px;
  padding: 28px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.number {
  color: var(--red);
  font-size: 24px;
  font-weight: 900;
}

.dark {
  color: #fff;
  background: var(--teal-dark);
}

.dark .eyebrow {
  color: #f0b15f;
}

.dark p {
  color: #dce8e7;
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  align-items: center;
  gap: clamp(28px, 5vw, 70px);
}

.split.reverse {
  grid-template-columns: minmax(320px, 0.82fr) minmax(0, 1fr);
}

.split.reverse > div:first-child {
  order: 2;
}

.check-list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  padding: 16px 18px;
  background: rgba(255, 255, 255, 0.09);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 8px;
  font-weight: 800;
}

.flow {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 14px;
  margin: 0 auto;
  padding: 0;
  list-style: none;
}

.flow li {
  min-height: 230px;
  padding: 22px;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
}

.flow span {
  display: inline-grid;
  place-items: center;
  width: 34px;
  height: 34px;
  margin-bottom: 18px;
  color: #fff;
  background: var(--blue);
  border-radius: 8px;
  font-weight: 900;
}

.price-card.featured {
  border-color: var(--teal);
  box-shadow: var(--shadow);
}

.plan {
  color: var(--amber);
  font-size: 13px;
  font-weight: 900;
  text-transform: uppercase;
}

.price {
  color: var(--teal);
  font-size: 28px;
  font-weight: 900;
}

.guild-panel {
  padding: 28px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.guild-panel dl {
  display: grid;
  gap: 12px;
  margin: 0;
}

.guild-panel div {
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
}

.guild-panel div:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.guild-panel dt {
  color: var(--teal);
  font-weight: 900;
}

.guild-panel dd {
  margin: 2px 0 0;
  color: var(--muted);
}

.faq {
  background: #f7efe3;
}

details {
  max-width: 900px;
  margin: 0 auto 12px;
  padding: 18px 20px;
  background: #fff;
  border: 1px solid #e7d6bd;
  border-radius: 8px;
}

summary {
  font-weight: 900;
  cursor: pointer;
}

details p {
  margin: 12px 0 0;
}

.contact {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 0.8fr);
  align-items: center;
  gap: clamp(24px, 5vw, 64px);
  background: var(--ink);
  color: #fff;
}

.contact > * {
  max-width: none;
}

.contact p {
  color: #dbe4e2;
}

.contact-box {
  padding: 24px;
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
}

.contact-title {
  margin-bottom: 10px;
  color: var(--ink) !important;
  font-weight: 900;
}

textarea {
  width: 100%;
  min-height: 176px;
  resize: vertical;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  font: inherit;
}

.full {
  width: 100%;
  margin-top: 10px;
}

.note {
  margin: 12px 0 0;
  color: var(--muted) !important;
  font-size: 13px;
}

.site-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px clamp(18px, 4vw, 56px);
  background: #fff;
  border-top: 1px solid var(--line);
}

.site-footer p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
}

.compact .brand-mark {
  width: 28px;
  height: 28px;
  border-radius: 7px;
}

@media (max-width: 980px) {
  .nav {
    display: none;
  }

  .hero,
  .split,
  .split.reverse,
  .contact {
    grid-template-columns: 1fr;
  }

  .split.reverse > div:first-child {
    order: 0;
  }

  .problem-grid,
  .pricing {
    grid-template-columns: 1fr;
  }

  .flow {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .planning-stamp {
    width: min(84vw, 360px);
  }

  .site-header {
    min-height: 64px;
  }

  .header-cta {
    display: none;
  }

  .hero {
    min-height: auto;
    padding-top: 32px;
  }

  .hero-media img {
    aspect-ratio: 4 / 3;
  }

  .service-item {
    grid-template-columns: 1fr;
  }

  .flow {
    grid-template-columns: 1fr;
  }

  .site-footer {
    align-items: flex-start;
    flex-direction: column;
  }
}